Tip #8(8 of 10)

Typically the two most important components of a fence are the posts and the sections. Fenceposts need to be a minimum of 2 feet in the ground: a good rule of thumb is one-third the length of the post. The other thing to check: local codes, because certain codes may dictate whether you go down 4 feet or 2 feet (this also depends on the frost line).